To develop magnetically recoverable catalysts, magnetic (iron oxide) nanoparticles (NPs) were formed by thermal decomposition of iron acetylacetonate in the presence of thermally stable polymers such as polyphenylquinoxalines (PPQs). PPQs act as capping molecules forming iron oxide NP shells. These polymers bear nitrogen-containing heterocycles in every repeating unit allowing further coordination with transition metals and stabilization of the catalytic NPs in the magnetic NP shells. We demonstrate that the PPQ characteristics and the concentration in reaction solution influence the ability of the polymers to stabilize iron oxide NPs and catalyst formation. The catalysts formed can withstand high reaction temperatures and high pressures, allowing the development of exceptionally stable catalysts.

Magnetically recoverable thermally stable polymer-based catalysts

246th National Meeting (2013)

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